{{Short description|Species of moth}} {{Multiple issues| {{Expand German|topic=scitech|Euxoa birivia|ga=yes|date=November 2022}} {{More citations needed|date=April 2021}} }}

{{Speciesbox | image = Euxoa_birivia_f.jpg | image_caption = Female | image2 = Euxoa_birivia_m.jpg | image2_caption = Male | taxon = Euxoa birivia | authority = (Denis & Schiffermüller, 1775) | synonyms = *''Noctua birivia'' <small>Denis & Schiffermüller, 1775</small> *''Agrotis honoratina'' <small>Donzel, 1837</small> *''Agrotis birivia var. sudeticola'' <small>Skala, 1929</small> }}

'''''Euxoa birivia''''' is a moth of the family Noctuidae. It is found in Europe (France, Italy, Germany, Switzerland, Austria, Poland, Czech Republic, Slovakia, Hungary, Romania, Albania, Slovenia, Bosnia and Herzegovina, Bulgaria and Croatia), east to Ukraine, the Caucasus, Armenia, central Asia, Ili, Issyk-Kul, Turkey and Iran.

==Description== The wingspan is 34–41&nbsp;mm. Warren states ''E. birivia'' Schiff. (= ''honoratina'' Donz., ''dolis'' Grote) (6c). Forewing dark ashgrey, with pale dusting;lines themselves ill-defined, but marked by paler scaling; orbicular and reniform stigmata ochreous, or with the centres dark but ringed with ochreous; hindwing fuscous grey, paling towards base. Occurs in S. Europe, in the French and Swiss Alps, in Italy,, Austria and Hungary; — in the ab. ''taurica'' Stgr. the pale scales are ochreous yellow, instead of white; this form occurs in Asia Minor and Turkestan.<ref>Warren, W. in Seitz, A. Ed., 1914 ''Die Großschmetterlinge der Erde'', Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914 {{PD-notice}}</ref>

==Biology== Adults are on wing from mid July to the end of August. There is one generation per year.

The larvae probably feed on the roots of various grass species.

==References== {{Reflist}}

==External links== *[https://web.archive.org/web/20110622053023/http://www.faunaeur.org/full_results.php?id=371967 Fauna Europaea]

{{Taxonbar|from=Q291916}}

Category:Euxoa Category:Moths of Europe Category:Moths of Asia Category:Moths described in 1775

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